difficult child#2 has a Rottweiler who is a great dog but he has to stay outside because he pees on EVERYTHING. One day he even lifted his leg and did his duty on difficult child. The problem is that every summer he gets flies on his ears and they get sore and bloody and I know he has to be miserable. Last summer they spent mega bucks that they didn't have taking him to the vet and they sold them some purple salve that was supposed to keep the flies off but he rubbed it off as soon as they put it on him. Does anybody know how to keep the flies from eating the poor dog alive?